Hall, H. S.  1848-1934. <br/><br/>
Elementary trigonometry, 
by H. S. Hall ... and S. R. Knight . 
 - Metric ed., rev.  
 - London,  Macmillan and co., limited,  1967. 
 - xv, 443 p.  18 cm. 
<br/><br/><label>LCCN: </label>21015411  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry.
<br/><br/><label>LC Class. No.: </label>QA533  / .H22 1919 
<br/><br/><label>Dewey Class. No.: </label>516.24 HAL K